<template>
  <div>
    <div class="header">
      <div>广西</div>
      <div>医疗救治定点医院和发热门诊一览</div>
    </div>
    <div class="content">
      <div style="width: 160px">
        <el-input placeholder="请输入医院的名称"></el-input>
      </div>
      <div
        @click="toMap(item)"
        class="item"
        v-for="item in hos.list"
        :key="item.id"
      >
        <div class="left">
          <div>{{ item.name }}</div>
          <div v-if="item.flags">{{ item.flags }}</div>
          <div v-else>暂无标记...</div>

          <div v-if="item.address">{{ item.address }}</div>
          <div v-else>地址不详</div>
        </div>
        <div class="right">
          <div><i class="iconfont icon-dingwei-"></i></div>
          <div>{{GetDistance(item.latitude,item.longitude)}} KM</div>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import { mapActions, mapState } from "vuex";
export default {
  created() {
    this.findHos(this.obj);
    this.getlocation();
  },
  data() {
    return {
      obj: {
        page: 1,
        pageSize: 100,
      },
      lat: 0,
      lng: 0,
    };
  },
  computed: {
    ...mapState("hos", ["hos"]),
  },

  methods: {
    ...mapActions("hos", ["findHos"]),
    // 计算距离
    GetDistance(lat1, lng1) {
      var radLat1 = (lat1 * Math.PI) / 180.0;
      var radLat2 = (this.lat * Math.PI) / 180.0;
      var a = radLat1 - radLat2;
      var b = (lng1 * Math.PI) / 180.0 - (this.lng * Math.PI) / 180.0;
      var s =
        2 *
        Math.asin(
          Math.sqrt(
            Math.pow(Math.sin(a / 2), 2) +
              Math.cos(radLat1) *
                Math.cos(radLat2) *
                Math.pow(Math.sin(b / 2), 2)
          )
        );
      s = s * 6378.137; // EARTH_RADIUS;
      s = Math.round(s * 10000) / 10000;
      return s;
    },
    // 调用 return的距离单位为km

    // 获取当前位置
    getlocation() {
      navigator.geolocation.getCurrentPosition(
        (res) => {
          console.log(res);
          this.lat = res.coords.latitude;
          this.lng = res.coords.longitude;
        },
        (err) => {
          console.log(err, ">>>>>");
        },
        {
          enableHighAccuracy: true, //高精度定位
          timeout: 5000,
          maximumAge: 0,
        }
      );
    },
    //跳转至疫情地图页面，并携带【经纬度】
    toMap(val) {
      this.$router.push({
        path: "/hos/detail",
        query: {
          one: val.latitude,
          two: val.longitude,
        },
      });
    },
  },
};
</script>

<style scoped>
.content .right div:first-child {
  padding-left: 20px;
}
.content .left div:nth-child(3) {
  color: #999;
  font-size: 14px;
}
.content .left div:nth-child(2) {
  background: #ffb34e;
  border-radius: 12px;
  font-size: 12px;
  display: inline;
  padding: 5px;
  color: #fff;
}
.content .left div {
  height: 40px;
  line-height: 40px;
}
.content .right div {
  height: 60px;
  line-height: 60px;
}
.content .item {
  margin-top: 10px;
  border-bottom: 1px solid #ccc;
  height: 120px;
  padding: 0 20px;
}
.content .left {
  float: left;
}
.content .right {
  float: right;
}
.content {
  margin-top: 160px;
}
.header div:last-child {
  top: 55%;
  left: 3%;
}
.header div:first-child {
  top: 25%;
  left: 3%;
}
.header div {
  position: absolute;
  font-size: 20px;
  color: #fff;
}
.header {
  height: 160px;
  background: url("http://39.96.21.48/2020_znn/visual-ui/static/img/bg1.efce26ef.png");
  background-size: 100%;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
}
</style>